A plant structure (PO:0005679) which is a whole organism.
Examples include plant embryo (PO:0009009), megagametophyte (PO:0025279) and microgametophyte (PO:0025280).
A portion of plant substance (PO:0025161) composed of cutin (PO:0025385), a polyester matrix of hydroxy- and hydroxy epoxy fatty acids C16 and C18 chains, embedded and overlayed with cuticular wax (PO:0025386) and forming a layer on the surface of a plant epidermis (PO:0005679).
The plant cuticle is produced in and secreted by epidermal cells (PO:0004013) of leaves (PO:0025034), stems (PO:0009047), fruits (PO:0009001), and other aerial plant structures. It has as parts an inner cuticle proper (PO:0025387) and an outer layer of epicuticular wax (PO:0025388).
A shoot axis (PO:0025029) that is the most distal part of a shoot system (PO:0009006) and has as parts a shoot apical meristem (PO:0020148) and the youngest primordia (PO:0025127).
&#225pice del epiblasto (epiblastema) (Spanish, exact)
A portion of shoot system epidermis (PO:0006035) that is part of a shoot axis (PO:0025029).
epidermis del eje del tallo (Spanish, exact)
A portion of meristem tissue (PO:0009013) which is the organogenic region of the meristem, characterized by higher rates of cell division.
A native plant cell (PO:0025606) synthesizing protoplasm and producing new cells by division and with only a primary cell wall.
c&#233lula meristem&#225tica (Spanish, exact)
A primordium (PO:0025127) that develops from a root anlagen (PO:0025433) and is committed to the development of a root (PO:0009005).
portion of root primordium tissue (exact)
A root primordium may arise from cells of a pericycle (PO:0006203) in a root in most seed plant (pericyclic lateral root primordium; PO:0025492), from cells of an endodermis (PO:0000252) in ferns and some seed plants (non-pericyclic lateral root primordium: PO:0025493), or from cells of a shoot axis (PO:0025029), in the case of a basal root primordium (PO:0025479) or shoot-borne root primordium (PO:0025480). Transition from root primordium to root occurs with the formation of a root cap (PO:0020123), shortly after the development of a root apical meristem (PO:0020147).
A portion of plant tissue (PO:0009007) composed of epidermal cells (PO:0004013) that develops from the protoderm (PO:0006210) and covers the surface of a plant structure (PO:0009011).
The epidermis can be composed of one or more layers of cells. In some species of vascular plants, the epidermis, which is a primary tissue, is replaced by periderm, which is secondary tissue, later in development. The epidermis can also include trichomes, stomatal pores, root hairs, and rhizoids.
A lateral plant organ (PO:0009008) produced by a shoot apical meristem (PO:0020148).
A portion of phyllome epidermis (PO:0025157) that is part of a leaf (PO:0025034).
If you are annotating to this term, please add an additional annotation to vascular leaf (PO:0009025) or non-vascular leaf (PO:0025075), depending on the species. All annotations for angiosperms, gymnosperms, and pteridophytes should go to vascular leaf and all annotations for bryophytes should go to non-vascular leaf.
A portion of epidermis (PO:0005679) that is part of a shoot system (PO:0009006) and arises from the meristem L1 layer (PO:0009020).
epidermis del epiblasto (epiblastema) (Spanish, exact)
Often interrupted by stomatal complexes (PO:0002000) and other structures. The shoot system epidermis is different from the root epidermis (PO:0006036) in its origin, function and structure.
A portion of epidermis (PO:0005679) that is part of a root (PO:0009005).
epidermis de la ra&#237z (Spanish, exact)
The root epidermis is different from the shoot epidermis in its origin, function and structure.
A portion of meristem tissue (PO:0009013) that is part of a shoot system (PO:0009006).
meristema del epiblasto (epiblastema) (Spanish, exact)
A portion of meristem tissue (PO:0009013) that is the outer layer of an apical meristem (PO:0020144), or the outer layer of a plant embryo proper (PO:0000001), and gives rise to a portion of epidermis (PO:0005679).
A protoderm may or may not arise from independent initial cells (PO:0004011). Some researchers also refer to it as an epidermis in a meristematic state.
A plant structure development stage (PO:0009012) that has as primary participant a whole plant (PO:0000003).
Solanaceae whole plant growth stages (SGN:0000001) (related)
cereal plant growth stage ontology (GRO:0007199) (related)
maize growth stage (GRO:0007002) (related)
plant growth stages in Arabidopsis (TAIR:0000021) (related)
rice growth stage (GRO:0007040) (related)
sorghum growth stage (GRO:0007124) (related)
wheat, barley and oat growth stage (GRO:0007156) (related)
A cell which is a plant structure (PO:0009011).
Applies to cells that are living or dead at maturity (e.g., fiber cell or tracheid) and includes any external encapsulating structures (if present) such as the plasma membrane and the plant-type cell wall. Definition of cell GO:0005623: "The basic structural and functional unit of all organisms. Includes the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope". GO:0009505. Definition of plant-type cell wall (GO:0009505): A more or less rigid structure lying outside the cell membrane of a cell and composed of cellulose and pectin and other organic and inorganic substances, synonym; exact: cellulose and pectin-containing cell wall.
A plant axis (PO:0025004) that lacks shoot axis nodes (PO:0005004) and usually grows indeterminately.
Roots function in the absorption of water and inorganic nutrients, anchoring the plant body to the substrate and supporting it, storage of food and nutrients, and vegetative reproduction. The roots of most vascular plant species enter into symbiosis with soil-borne microorganisms. Roots are usually positively geotropic and found underground, although there are many exceptions such as the aerial roots of orchids. Roots often form secondary thickening from the root lateral meristem (PO:0006308). Commonly thought of as one of the three basic parts of the plant body, along with the shoot axis (PO:0025029) and leaves (PO:0025034).
A collective plant organ structure (PO:0025007) that produces shoot-borne portions of meristem tissue (PO:0009013) and the plant structures (PO:0009011) that arise from them.
sistema de epiblasto (epiblastema) (Spanish, exact)
The shoot system is generally used to refer to the above-ground plant parts, although some plants have parts of their shoot system underground. For example, a rhizome (PO:0004542), bulb (PO:0025356), a corm (PO:0025355) or a subterranean tuber (PO:0004547), as in Solanum tuberosum (potato) or yam, are all part of the shoot system.
A plant structure (PO:0009011) that consists predominantly of similarly specialized plant cells (PO:0009002) of one or more types.
porci&#243n de un tejido vegetal (Spanish, exact)
A portion of plant tissue may contain one or several types of cells that are organized in a specific spatial arrangement into a structural unit (which includes a mass of callus) and may include an intercellular matrix. May include other types of isolated cells, such as idioblasts.
A multi-tissue plant structure (PO:0025496) that is a functional unit, is a proper part of a whole plant (PO:0000003), and includes portions of plant tissue (PO:0009007) of at least two different types that derive from a common developmental path.
Examples include stem (PO:0009047), leaf (PO:0025034), and root (PO:0009005). May include individual plant cells (PO:0009002) that are not part of a portion of plant tissue (e.g., idioblasts, PO:0000283). A plant organ may have one or more different plant organs as parts, such as a sporophyll (PO:0009026) that may have as part a sporangium (PO:0025094) or a carpel (PO:0009030) that may have as part a plant ovule (PO:0020003).
A plant anatomical entity (PO:0025131) that is, or was, part of a plant, or was derived from a part of a plant.
'Part' includes both proper parts and the whole plant. CARO:0000003 'connected anatomical structure' is defined as: Material anatomical entity that is a single connected structure with inherent 3D shape, generated by coordinated expression of the organism's own genome.
A stage in the life of a plant structure (PO:0009011) during which the plant structure undergoes developmental processes.
etapa de desarrollo de estructura vegetal (Spanish, exact)
plant growth and development stage (exact)
Refers to GO:0032502 'developmental process', which includes growth, differentiation, and senescence, and BFO:0000003 'ocurrent'.
A portion of plant tissue (PO:0009007) in which plant cells (PO:0009002) have retained their embryonic characteristics, or have reverted to them secondarily, and that divide to produce new cells that can undergo differentiation to form mature tissues, i.e. they have a capacity for morphogenesis and growth.
A portion of meristem tissue (PO:0009013) that is the outermost layer of a shoot apical meristem (PO:0020148) and gives rise to a shoot system epidermis (PO:0006035).
The cells of the meristem L1 layer divide in a strictly anticlinical fashion.
A maximal portion of meristem tissue (PO:0009013) located at a shoot apex (PO:0000037) or root tip (PO:0000025).
A shoot system meristem (PO:0006079) formed at the apex of the shoot axis (PO:0025029), including those originating from an axillary bud meristem (PO:0000232).
meristema apical del epiblasto (epiblastema) (Spanish, exact)
A collective plant structure (PO:0025497) that is a proper part of a whole plant (PO:0000003), and is composed of two or more adjacent plant organs (PO:0009008) and the associated portions of plant tissue (PO:0009007).
estructura vegetal colectiva de &#243rgano (Spanish, exact)
Organs can be of the same type or different types. Examples include flower (PO:0009046), perianth (PO:0009058), and inflorescence (PO:0009049). See also collective organ part structure (PO:0025269), for plant structures composed of parts of multiple organs, but no complete plant organs. This was formerly named collective plant structure.
A collective plant organ structure (PO:0025007) that produces root meristems (PO:0006085), the plant structures (PO:0009011) that arise from them and the parts thereof.
Generally the below ground portion of a vascular plant.
A plant axis (PO:0025004) that is part of a shoot system (PO:0009006).
eje del epiblasto (epiblastema) (Spanish, exact)
Often bears leaves and branches. In vascular plants, has at least one node and one internode.
A phyllome (PO:0006001) that is not associated with a reproductive structure.
A portion of meristem tissue (PO:0009013) that has as parts protoderm (PO:0006210) and sub-epidermal meristematic tissue and is committed to the development of a particular plant structure (PO:0009011).
A primordium appears as a protrusion and is the first distinct form of a plant organ (PO:0009008), cardinal organ part (PO:0025001), or collective plant organ structure (PO:0025007). The transition from a primordium to the plant structure it develops into is marked by the development of non-meristematic cells, although meristematic cells may be present after the transition.
A primordium (PO:0025127) that develops from a phyllome anlagen (PO:0025430) and is part of a shoot apex (PO:0000037) and is committed to the development of a phyllome (PO:0006001).
portion of phyllome primordium tissue (exact)
The transition from phyllome primordium to phyllome occurs when the first non-meristematic tissue develops begins to develop.
An anatomical entity that is or was part of a plant.
entidad anat&#243mica vegetal (Spanish, exact)
Includes both material entities such as plant structures and immaterial entities such as plant anatomical spaces. CARO:0000000 'anatomical entity' is defined as: A part of a cellular organism that is either an immaterial entity or a material entity with granularity aboove the level of a protein complex. Or, a substance produced by a cellular organism with granularity above the level of a protein complex. Refers to BFO:0000004 'independent continuant'.
A portion of shoot system epidermis (PO:0006035) that is part of a phyllome (PO:0006001).
A portion of organism substance that is or was part of a plant.
porci&#243n de sustancia vegetal (Spanish, exact)
Refers to organism substance (CARO:0000004) which is defined as: Material anatomical entity in a gaseous, liquid, semisolid or solid state; produced by anatomical structures or derived from inhaled and ingested substances that have been modified by anatomical structures as they pass through the body and that does not have inherent 3D shape generated by coordinated expression of the organism's own genome. For plants, the word "body" refers to a whole plant, or part thereof. Includes substances such as latex, xylem sap, phloem sap, resin, mucilage, oil, cuticle, cutin, and sporopollenin.
A maximal whole plant development stage.
vida de la planta entera (Spanish, exact)
There are only two types of life of whole plant. Every life of a whole plant is either a maximal gametophyte stage or a maximal sporophyte stage.
A portion of plant substance (PO:0025161) that is the inner layer of a plant cuticle (PO:0000022), and is composed of a polyester matrix of hydroxy- and hydroxy epoxy fatty acid C16 and C18 chains.
Cutin is the insoluble, covalently cross-linked polymer that forms an electron dense layer over the epidermal cells (PO:0004013) of an aerial plant structure.
A portion of plant substance (PO:0025161) comprised predominantly of very long chain aliphatic lipids and is part of a plant cuticle (PO:0000022).
Also includes triterpenoids and minor secondary metabolites, such as sterols and flavonoids. May be embedded within or external to the layer of cutin of the cuticle proper. Phenotypically, wax is distinguished as the glaucous or whitish bloom on a part of a plant shoot system that corresponds to crystalloid epicuticular wax with light scattering capacity.
A portion of plant substance (PO:0025161) that is the inner layer of a plant cuticle (PO:0000022), composed primarily of cutin (PO:0025385), embedded and overlayed with cuticular wax (PO:0025386).
cut&#237cula propia de la planta (Spanish, exact)
A portion of meristem tissue (PO:0009013) that is part of a peripheral zone (PO:0000225) of a shoot apical meristem (PO:0020148) and will give rise to a phyllome primordium (PO:0025128).
The phyllome anlagen is only detectable by gene expression, not morphology.
A portion of meristem tissue (PO:0009013) that is committed to the development of a root primordium (PO:0005029).
Only detectable by gene expression, not morphology. May arise in a pericycle (PO:0006203), as for lateral roots in most seed plants, an endodermis (PO:0000252), as for lateral roots in ferns, or from parenchyma cells (PO:0000074) that are part a shoot axis (PO:0025029), in the case of a basal root (PO:0025002) or shoot-borne root (PO:0000042).
A plant structure (PO:0009011) that has as parts two or more portions of plant tissue (PO:0009007) of at least two different types and which through specific morphogenetic processes forms a single structural unit demarcated by primarily bona-fide boundaries from other structural units of different types.
estructura vegetal con m&#250ltiples tejidos (Spanish, exact)
Most multi-tissue plant structures have at least a small connection to other plant structures via a fiat boundary, such as where a leaf (PO:0025034) connects to a shoot axis (PO:0025029), a petal (PO:0009032) connects to a receptacle (PO:0009064), or a branch (PO:0025073) connects to a stem (PO:0009047). Refers to CARO:0000055 multi-tissue structure, def'n: Anatomical structure that has as parts two or more portions of tissue of at least two different types, and which through specific morphogenetic processes, form a single distinct structural unit demarcated by bona-fide boundries from other structural units of differnt types.
A plant structure (PO:0009011) that is a proper part of a whole plant (PO:0000003) and includes two or more adjacent plant organs (PO:0009008) or adjacent cardinal organ parts (PO:0025001), along with any associated portions of plant tissue (PO:0009007).
estructura vegetal colectiva (Spanish, exact)
This is a parent term to describe both collective organ part structure (PO:0025269) (e.g. septum), as well as collective plant organ structure (PO:0025007) (which was formerly named collective plant structure), for example shoot system (PO:0009006).
A portion of plant substance (PO:0025161) that is an aqueous solution that can be transported through the apoplast (GO:0048046) or symplast (GO:0055044).
Plant sap should not be confused with latex, resins or plant cell cytoplasm.
A portion of plant substance (PO:0025161) that consists of a complex mixture of organic aromatic compounds such as mono-, sesqui-, and diterpenoids.
Plant resins are often produced by Gymnosperms but not restricted to those plants. In the conifers, plant resins are constitutively and inducibly produced through the secretory activity of resin cells (PO:0025604), and can be exuded through a resin canal (PO:0005665) to a site of injury or predator attack.
A plant cell (PO:0009002) that is either part of a multicellular whole plant (PO:0000003) 'in vivo' or a unicellular organism 'in natura' (i.e. part of a natural environment).
A native plant cell is one that is not grown or maintained in vitro, nor part of an in vitro plant structure (PO:0000004).
A whole plant development stage (PO:0007033) that has as primary participant a whole plant (PO:0000003) during the interval between fertilization (or apogamy) and death.
A whole plant (PO:0000003) in the sporophyte development stage usually has twice the chromosome complement of a plant in the gametophytic phase, but may not in the case of apogamy. Examples of apogamy include both naturally occurring instances (such as sporophytes arising form haploid cells as in bryophytes or ferns) as well as in vitro instances (such as haploid embryo culture or in vitro fusion of non-gamete cells or protoplasts). During the sporophyte development stage, a plant may produce meiospores by meiosis.